You are invited to use this accompanying artwork (Artwork: @allison_horst).

library(palmerpenguins)

Meet the Palmer penguins

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Culmen depth

What are culmen length & depth? The culmen is “the upper ridge of a bird’s beak” (definition from Oxford Languages).

For this penguin data, the culmen length and culmen depth are measured as shown below (thanks Kristen Gorman for clarifying!):

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